June 25, 20224 yr Hi, I recently replaced my 4TB parity drive with a 8TB drive. I followed these steps: 1) stopped the array 2) unassigned the current parity drive 3) assigned the new parity drive in its place 4) start the array and it rebuilt with the new larger parity drive 5) after rebuild, assigned the old parity drive as an additional new data drive in the array (this is where I run into problems). The parity drive replacement seem to go fine but re-adding my original 4TB parity drive as a new data drive (after it was automatically cleared) has resulted in a "Unmountable: Wrong or no file system" error. I tried changing the file system from auto to XFS (like my other two 4TB data drives) and rebooting the server. That didn't fix the problem. Not really sure what to do. I have attached the diagnostic file and a screenshot. tower-diagnostics-20220626-0821.zip Edited June 25, 20224 yr by bobalot Clarifying detail.
June 25, 20224 yr Community Expert Solution old Parity will not have a file system do you have an option to format in the array operations panel on the main page for sdb?
June 26, 20224 yr Community Expert As was mentioned any time you add a new drive then it will show as unmountable until you have formatted to creat an empty file system on the drive. Unraid will be offering the option to format ‘unmountable’ drives, but make sure it is only the drive you expect as you do not want to accidentally format any other drive.
June 26, 20224 yr Author Thanks guys! It worked. I unassigned the drive, reformatted it and then reassigned it. Edited June 26, 20224 yr by bobalot
June 26, 20224 yr Community Expert 2 hours ago, bobalot said: unassigned the drive, reformatted it and then reassigned i Why did you unassigned the drive? That might make Unraid clear the drive so it again shows as unmountable.
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